Monday, September 8, 2014
2 x 23 W high efficiency car radio power amplifier
FEATURES:
Low dissipation due to switching from Single-Ended (SE) to Bridge-Tied Load (BTL) mode
High Common Mode Rejection Ratio (CMRR)
Mute/standby/operating/SE-only (mode select pin)
Zero crossing mute and standby circuit
Load dump protection circuit
Short-circuit safe to ground, to supply voltage and across load
Loudspeaker protection circuit
Device switches to single-ended operation at excessive junction temperatures.
GENERAL DESCRIPTION:
The TDA1561Q is a monolithic power amplifier in a 13 lead single-in-line (SIL) plastic power package. It contains two identical 23 W amplifiers. The dissipation is minimized by switching from SE to BTL mode, only when a higher output voltage swing is needed. The device is primarily developed for car radio applications.
Circuit Diagram:
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| 2 x 23 W high efficiency car radio power amplifier |
Datasheet for TDA1561Q: Download
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